Show:
Not an Animal
Stuff in a Sample
Imperial Mole
Percent composition
Kind and Supportive
100
The Italian physicist who, in 1811, determined the volume of one mole of gas.
Who is Amedeo Avogadro?
100
The amount of grams in 5.68 moles of Hg.
What is 1140 g Hg?
100
This is obtained from experimental data and represents the smallest whole number ratio of atoms in a compound.
What is the empirical formula?
100
The mass of an element in a compound divided by the mass of the compound.
What is the percent composition formula?
100
It is celebrated every October 23 from 6:02 AM - 6:02 PM.
What is Mole Day?
200
It is 6.02 x 10E23.
What is the mole?
200
The amount of moles in 560.3 grams of NaCl.
What is 9.587 mol NaCl?
200
This is a multiple of the empirical formula.
What is molecular formula?
200
_________________? 1) impurities 2) mechanical losses 3) side reactions 4) reversible reactions
Why doesn't the theoretical yield = the experiential yield?
200
The word that "mol" is taken from.
What is the molecule?
300
It is 22.4 liters/1 mole.
What is the volume of gas at STP?
300
The amount of moles in 345.792 g of calcium nitrate.
What is 2.10736 moles of calcium nitrate?
300
The empirical formula of N8O12.
What is N2O3?
300
The theoretical yield of this reaction. Items Mass (g) Test tube 67.51 Test tube and nickel (II) chloride 68.81 Nickel (II) chloride ? Dried test tube and product 68.02 Nickel (II) oxide ? NiCl2 + 3O2 ---> NiO + Cl2O5
What is 0.957 g NiO?
300
The label used to denote particles that exist by themselves and that are not diatomic.
What is the atom?
400
The label used to denote particles with a charge.
What are ions?
400
The volume at STP of 0.097 moles of carbon dioxide.
What is 2.3 moles of carbon dioxide?
400
The molecular formula of a substance if the empirical formula is CO2 and the molecular mass is 132 g/mol.
What is C3O6?
400
The percent composition of of oxygen in sodium carbonate?
What is 45.285%?
400
0 degrees Celsius -OR- 273K 101.3 kPa -OR- 1 atm
What is STP?
500
The label used to denote particles that are ionically bonded together.
What are formula units?
500
The amount of moles(at STP) in 32.6 liters of carbon tetrahydride(methane gas)?
What is 1.46 moles of carbon tetrahydride(methane gas)?
500
The molecular formula for a compound that contains 0.59 grams of hydrogen and 9.4 grams of oxygen with the molecular mass measuring as 34 g/mol.
What is H2O2?
500
How accurately must you measure the percentage of carbon in a drug sample to distinguish between cocaine (C17H21NO4) and aspirin(C9H8O4)?
What is 7.0867% ?
500
The molar mass of one cookie.
What is *****? (This should be mass of one cookie shown on the balance.)